2065997 has 2 divisors, whose sum is σ = 2065998. Its totient is φ = 2065996.

The previous prime is 2065991. The next prime is 2066017. The reversal of 2065997 is 7995602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 75076 = 1411^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065997 - 2¹⁴ = 2049613 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2065997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032998 + 1032999.

It is an arithmetic number, because the mean of its divisors is an integer number (1032999).

2^2065997 is an apocalyptic number.

It is an amenable number.

2065997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065997 is an equidigital number, since it uses as much as digits as its factorization.

2065997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2065997 is about 1437.3576451252. The cubic root of 2065997 is about 127.3629849412.

The spelling of 2065997 in words is "two million, sixty-five thousand, nine hundred ninety-seven".